Updated

Many of the Democrats running for president in 2020 responded to the release of key findings in Special Counsel Robert Mueller’s Russia investigation Sunday by saying his report should go public in its entirety.

The findings, detailed in a letter from Attorney General William Barr, indicated that Mueller did not establish evidence President Trump's team or any associates of the Trump campaign had conspired with Russia to sway the 2016 election, and did not establish a conclusion on whether the president had obstructed justice.

READ THE FULL LETTER

Massachusetts Sen. Elizabeth Warren tweeted: “Congress voted 420-0 to release the full Mueller report. Not a "summary" from his handpicked Attorney General. AG Barr, make the full report public. Immediately.”

New Jersey Sen. Cory Booker tweeted: “The American public deserves the full report and findings from the Mueller investigation immediately—not just the in-house summary from a Trump Administration official.”

New York Sen. Kirsten Gillibrand wrote: “The Mueller report must be made public. Not just a letter from someone appointed by Trump to protect himself—all of it. The President works for the people, and he is not above the law.”

California Sen. Kamala Harris tweeted: “The Mueller report needs to be made public, the underlying investigative materials should be handed over to Congress, and Barr must testify. That is what transparency looks like. A short letter from Trump's hand-picked Attorney General is not sufficient.”

Sen. Bernie Sanders, I-Vt., said at a rally in San Francisco: “I don't want a summary of the report! I want the whole damn report because nobody, especially this president, is above the law.”

Mayor Pete Buttigieg of South Bend, Indiana, who is considering a run for president, spoke about the report on MSNBC: “I think the American people deserve to see the report itself, not simply the Attorney General’s summary of it. And as was said in the summary, the president’s not being indicted at the moment, but he’s also not being exonerated at the moment. From the political perspective, I think this is further evidence that it would be a mistake for Democrats to think that the way for the Trump presidency to end is by way of investigation.”

He added: “I fear that if we’re not paying attention to the causes that he’s a symptom of, then not only is it possible for him to succeed in 2020, but we could also find ourselves with another figure like him or even worse in the future.”

From Las Vegas, former Texas Rep. Beto O’Rourke said: “Our democracy was attacked in a way that we haven’t seen in the 243 years that we’ve had a democracy. Attacked by a foreign power and I think we’ve gotta see if it was also attacked from within from somebody who sought to assume power.”

He added: “There has to be accountability and a reckoning if we’re going to protect the sanctity of the ballot box, the strength of our democracy and our ability to meet all of these challenges that I just described.”

He also released a tweet dovetailing with the other Democrats on Sunday: “Release the full Mueller report to the American people and their representatives. There must be transparency and accountability.”

Another candidate, former Rep. John Delaney of Maryland, told Fox News on Sunday night: "Whether you're a Democrat, Republican or Independent, you should want to see this report, and we should want to move on from this."

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He also tweeted earlier Sunday: “The voice and will of the American people were influenced by a foreign adversary - the American people deserve to see the full report. Period.”

Fox News' Shannon Bream contributed to this report.